function get_min_max_width() { // We need to grab our *parent's* style because images are wrapped... $style = $this->_frame->get_parent()->get_style(); $width = $style->width; $height = $style->height; // Determine the image's size list($img_width, $img_height, $type) = getimagesize($this->_frame->get_image_url()); if (is_percent($width)) { $width = (double) rtrim($width, "%") * $img_width / 100; } if (is_percent($height)) { $height = (double) rtrim($height, "%") * $img_height / 100; } $width = $style->length_in_pt($width); $height = $style->length_in_pt($height); if ($width === "auto" && $height === "auto") { $width = $img_width; $height = $img_height; } else { if ($width === "auto" && $height !== "auto") { $width = (double) $height / $img_height * $img_width; } else { if ($width !== "auto" && $height === "auto") { $height = (double) $width / $img_width * $img_height; } } } // Resample images if the sizes were auto if ($style->width === "auto" && $style->height === "auto") { $width = (double) rtrim($width, "px") * 72 / DOMPDF_DPI; $height = (double) rtrim($height, "px") * 72 / DOMPDF_DPI; } // Synchronize the styles $inner_style = $this->_frame->get_style(); $inner_style->width = $style->width = $width . "pt"; $inner_style->height = $style->height = $height . "pt"; $inner_style->padding_top = $style->padding_top; $inner_style->padding_right = $style->padding_right; $inner_style->padding_bottom = $style->padding_bottom; $inner_style->padding_left = $style->padding_left; $inner_style->border_top_width = $style->border_top_width; $inner_style->border_right_width = $style->border_right_width; $inner_style->border_bottom_width = $style->border_bottom_width; $inner_style->border_left_width = $style->border_left_width; $inner_style->border_top_style = $style->border_top_style; $inner_style->border_right_style = $style->border_right_style; $inner_style->border_bottom_style = $style->border_bottom_style; $inner_style->border_left_style = $style->border_left_style; $inner_style->margin_top = $style->margin_top; $inner_style->margin_right = $style->margin_right; $inner_style->margin_bottom = $style->margin_bottom; $inner_style->margin_left = $style->margin_left; return array($width, $width, "min" => $width, "max" => $width); }
function get_min_max_width() { if (DEBUGPNG) { list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url()); print "get_min_max_width() " . $this->_frame->get_style()->width . ' ' . $this->_frame->get_style()->height . ';' . $this->_frame->get_parent()->get_style()->width . " " . $this->_frame->get_parent()->get_style()->height . ";" . $this->_frame->get_parent()->get_parent()->get_style()->width . ' ' . $this->_frame->get_parent()->get_parent()->get_style()->height . ';' . $img_width . ' ' . $img_height . '|'; } $style = $this->_frame->get_style(); $width = $style->width > 0 ? $style->width : 0; if (is_percent($width)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $f_style = $f->get_style(); $t = $f_style->length_in_pt($f_style->width); if ($t != 0) { break; } } $width = (double) rtrim($width, "%") * $t / 100; } elseif (!mb_strpos($width, 'pt')) { $width = $style->length_in_pt($width); } $height = $style->height > 0 ? $style->height : 0; if (is_percent($height)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $f_style = $f->get_style(); $t = $f_style->length_in_pt($f_style->height); if ($t != 0) { break; } } $height = (double) rtrim($height, "%") * $t / 100; } elseif (!mb_strpos($height, 'pt')) { $height = $style->length_in_pt($height); } if ($width == 0 || $height == 0) { list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url()); if ($width == 0 && $height == 0) { $width = (double) ($img_width * 72) / DOMPDF_DPI; $height = (double) ($img_height * 72) / DOMPDF_DPI; } elseif ($height == 0 && $width != 0) { $height = $width / $img_width * $img_height; } elseif ($width == 0 && $height != 0) { $width = $height / $img_height * $img_width; } } if (DEBUGPNG) { print $width . ' ' . $height . ';'; } $style->width = $width . "pt"; $style->height = $height . "pt"; return array($width, $width, "min" => $width, "max" => $width); }
function reflow() { // We need to grab our *parent's* style because images are wrapped... $style = $this->_frame->get_parent()->get_style(); $width = $style->width; $height = $style->height; // Determine the image's size list($img_width, $img_height, $type) = getimagesize($this->_frame->get_image_url()); if (is_percent($width)) { $width = (double) rtrim($width, "%") * $img_width / 100; } if (is_percent($height)) { $height = (double) rtrim($height, "%") * $img_height / 100; } $width = $style->length_in_pt($width); $height = $style->length_in_pt($height); if ($width === "auto" && $height === "auto") { $width = $img_width; $height = $img_height; } else { if ($width === "auto" && $height !== "auto") { $width = (double) $height / $img_height * $img_width; } else { if ($width !== "auto" && $height === "auto") { $height = (double) $width / $img_width * $img_height; } } } // Resample images if the sizes were auto if ($style->width === "auto" && $style->height === "auto") { $width = (double) rtrim($width, "px") * 72 / DOMPDF_DPI; $height = (double) rtrim($height, "px") * 72 / DOMPDF_DPI; } $this->_frame->get_style()->width = $width . "pt"; $this->_frame->get_style()->height = $height . "pt"; }
function get_min_max_width() { if (!is_null($this->_min_max_cache)) { return $this->_min_max_cache; } $style = $this->_frame->get_style(); // Account for margins & padding $dims = array($style->padding_left, $style->padding_right, $style->border_left_width, $style->border_right_width, $style->margin_left, $style->margin_right); $cb_w = $this->_frame->get_containing_block("w"); $delta = $style->length_in_pt($dims, $cb_w); // Handle degenerate case if (!$this->_frame->get_first_child()) { return $this->_min_max_cache = array($delta, $delta, "min" => $delta, "max" => $delta); } $low = array(); $high = array(); for ($iter = $this->_frame->get_children()->getIterator(); $iter->valid(); $iter->next()) { $inline_min = 0; $inline_max = 0; // Add all adjacent inline widths together to calculate max width while ($iter->valid() && in_array($iter->current()->get_style()->display, Style::$INLINE_TYPES)) { $child = $iter->current(); $minmax = $child->get_min_max_width(); if (in_array($iter->current()->get_style()->white_space, array("pre", "nowrap"))) { $inline_min += $minmax["min"]; } else { $low[] = $minmax["min"]; } $inline_max += $minmax["max"]; $iter->next(); } if ($inline_max > 0) { $high[] = $inline_max; } if ($inline_min > 0) { $low[] = $inline_min; } if ($iter->valid()) { list($low[], $high[]) = $iter->current()->get_min_max_width(); continue; } } $min = count($low) ? max($low) : 0; $max = count($high) ? max($high) : 0; // Use specified width if it is greater than the minimum defined by the // content. If the width is a percentage ignore it for now. $width = $style->width; if ($width !== "auto" && !is_percent($width)) { $width = $style->length_in_pt($width, $cb_w); if ($min < $width) { $min = $width; } if ($max < $width) { $max = $width; } } $min += $delta; $max += $delta; return $this->_min_max_cache = array($min, $max, "min" => $min, "max" => $max); }
/** * Render a background image over a rectangular area * * @param string $img The background image to load * @param float $x The left edge of the rectangular area * @param float $y The top edge of the rectangular area * @param float $width The width of the rectangular area * @param float $height The height of the rectangular area * @param Style $style The associated Style object */ protected function _background_image($url, $x, $y, $width, $height, $style) { $sheet = $style->get_stylesheet(); // Skip degenerate cases if ($width == 0 || $height == 0) { return; } //debugpng if (DEBUGPNG) { print '[_background_image ' . $url . ']'; } list($img, $ext) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path()); // Bail if the image is no good if ($img === DOMPDF_LIB_DIR . "/res/broken_image.png") { return; } //Try to optimize away reading and composing of same background multiple times //Postponing read with imagecreatefrom ...() //final composition paramters and name not known yet //Therefore read dimension directly from file, instead of creating gd object first. //$img_w = imagesx($src); $img_h = imagesy($src); list($img_w, $img_h) = getimagesize($img); if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) { return; } $repeat = $style->background_repeat; $bg_color = $style->background_color; //Increase background resolution and dependent box size according to image resolution to be placed in //Then image can be copied in without resize $bg_width = round((double) ($width * DOMPDF_DPI) / 72); $bg_height = round((double) ($height * DOMPDF_DPI) / 72); //Need %bg_x, $bg_y as background pos, where img starts, converted to pixel list($bg_x, $bg_y) = $style->background_position; if (is_percent($bg_x)) { // The point $bg_x % from the left edge of the image is placed // $bg_x % from the left edge of the background rectangle $p = (double) $bg_x / 100.0; $x1 = $p * $img_w; $x2 = $p * $bg_width; $bg_x = round($x2 - $x1); } else { $bg_x = round((double) ($style->length_in_pt($bg_x) * DOMPDF_DPI) / 72); } if (is_percent($bg_y)) { // The point $bg_y % from the left edge of the image is placed // $bg_y % from the left edge of the background rectangle $p = (double) $bg_y / 100.0; $y1 = $p * $img_h; $y2 = $p * $bg_height; $bg_y = round($y2 - $y1); } else { $bg_y = round((double) ($style->length_in_pt($bg_y) * DOMPDF_DPI) / 72); } //clip background to the image area on partial repeat. Nothing to do if img off area //On repeat, normalize start position to the tile at immediate left/top or 0/0 of area //On no repeat with positive offset: move size/start to have offset==0 //Handle x/y Dimensions separately if ($repeat !== "repeat" && $repeat !== "repeat-x") { //No repeat x if ($bg_x < 0) { $bg_width = $img_w + $bg_x; } else { $x += $bg_x * 72 / DOMPDF_DPI; $bg_width = $bg_width - $bg_x; if ($bg_width > $img_w) { $bg_width = $img_w; } $bg_x = 0; } if ($bg_width <= 0) { return; } $width = (double) ($bg_width * 72) / DOMPDF_DPI; } else { //repeat x if ($bg_x < 0) { $bg_x = -(-$bg_x % $img_w); } else { $bg_x = $bg_x % $img_w; if ($bg_x > 0) { $bg_x -= $img_w; } } } if ($repeat !== "repeat" && $repeat !== "repeat-y") { //no repeat y if ($bg_y < 0) { $bg_height = $img_h + $bg_y; } else { $y += $bg_y * 72 / DOMPDF_DPI; $bg_height = $bg_height - $bg_y; if ($bg_height > $img_h) { $bg_height = $img_h; } $bg_y = 0; } if ($bg_height <= 0) { return; } $height = (double) ($bg_height * 72) / DOMPDF_DPI; } else { //repeat y if ($bg_y < 0) { $bg_y = -(-$bg_y % $img_h); } else { $bg_y = $bg_y % $img_h; if ($bg_y > 0) { $bg_y -= $img_h; } } } //Optimization, if repeat has no effect if ($repeat === "repeat" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) { $repeat = "repeat-x"; } if ($repeat === "repeat" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) { $repeat = "repeat-y"; } if ($repeat === "repeat-x" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width || $repeat === "repeat-y" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) { $repeat = "no-repeat"; } //Use filename as indicator only //different names for different variants to have different copies in the pdf //This is not dependent of background color of box! .'_'.(is_array($bg_color) ? $bg_color["hex"] : $bg_color) //Note: Here, bg_* are the start values, not end values after going through the tile loops! $filedummy = $img; /* //Make shorter strings with limited characters for cache associative array index - needed? //Strip common base path - server root, explicite temp, default temp; remove unwanted characters; $filedummy = strtr($filedummy,"\\:","//"); $p = strtr($_SERVER["DOCUMENT_ROOT"],"\\:","//"); $l = strlen($p); if ( substr($filedummy,0,$l) == $p) { $filedummy = substr($filedummy,$l); } else { $p = strtr(DOMPDF_TEMP_DIR,"\\:","//"); $l = strlen($p); if ( substr($filedummy,0,$l) == $p) { $filedummy = substr($filedummy,$l); } else { $p = strtr(sys_get_temp_dir(),"\\:","//"); $l = strlen($p); if ( substr($filedummy,0,$l) == $p) { $filedummy = substr($filedummy,$l); } } } */ $filedummy .= '_' . $bg_width . '_' . $bg_height . '_' . $bg_x . '_' . $bg_y . '_' . $repeat; //debugpng //if (DEBUGPNG) print '<pre>[_background_image name '.$filedummy.']</pre>'; //Optimization to avoid multiple times rendering the same image. //If check functions are existing and identical image already cached, //then skip creation of duplicate, because it is not needed by addImagePng if (method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng") && method_exists($this->_canvas->get_cpdf(), "image_iscached") && $this->_canvas->get_cpdf()->image_iscached($filedummy)) { $bg = null; //debugpng //if (DEBUGPNG) print '[_background_image skip]'; } else { // Create a new image to fit over the background rectangle $bg = imagecreatetruecolor($bg_width, $bg_height); //anyway default //imagealphablending($img, true); switch (strtolower($ext)) { case "png": $src = imagecreatefrompng($img); break; case "jpg": case "jpeg": $src = imagecreatefromjpeg($img); break; case "gif": $src = imagecreatefromgif($img); break; default: return; // Unsupported image type } if ($src == null) { return; } //Background color if box is not relevant here //Non transparent image: box clipped to real size. Background non relevant. //Transparent image: The image controls the transparency and lets shine through whatever background. //However on transparent imaage preset the composed image with the transparency color, //to keep the transparency when copying over the non transparent parts of the tiles. $ti = imagecolortransparent($src); if ($ti >= 0) { $tc = imagecolorsforindex($src, $ti); $ti = imagecolorallocate($bg, $tc['red'], $tc['green'], $tc['blue']); imagefill($bg, 0, 0, $ti); imagecolortransparent($bg, $ti); } //This has only an effect for the non repeatable dimension. //compute start of src and dest coordinates of the single copy if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; } else { $src_x = 0; $dst_x = $bg_x; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; } else { $src_y = 0; $dst_y = $bg_y; } //For historical reasons exchange meanings of variables: //start_* will be the start values, while bg_* will be the temporary start values in the loops $start_x = $bg_x; $start_y = $bg_y; // Copy regions from the source image to the background if ($repeat === "no-repeat") { // Simply place the image on the background imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h); } else { if ($repeat === "repeat-x") { for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h); } } else { if ($repeat === "repeat-y") { for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h); } } else { if ($repeat === "repeat") { for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h); } } } else { print 'Unknown repeat!'; } } } } } /* End optimize away creation of duplicates */ //img: image url string //img_w, img_h: original image size in px //width, height: box size in pt //bg_width, bg_height: box size in px //x, y: left/top edge of box on page in pt //start_x, start_y: placement of image relativ to pattern //$repeat: repeat mode //$bg: GD object of result image //$src: GD object of original image //When using cpdf and optimization to direct png creation from gd object is available, //don't create temp file, but place gd object directly into the pdf if (method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng")) { //Note: CPDF_Adapter image converts y position $this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg); } else { $tmp_file = tempnam(DOMPDF_TEMP_DIR, "bg_dompdf_img_") . '.png'; //debugpng if (DEBUGPNG) { print '[_background_image ' . $tmp_file . ']'; } imagepng($bg, $tmp_file); $this->_canvas->image($tmp_file, "png", $x, $y, $width, $height); //debugpng if (DEBUGPNG) { print '[_background_image unlink ' . $tmp_file . ']'; } if (!DEBUGKEEPTEMP) { unlink($tmp_file); } } }
function get_min_max_width() { if (DEBUGPNG) { // Determine the image's size. Time consuming. Only when really needed? list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url()); print "get_min_max_width() " . $this->_frame->get_style()->width . ' ' . $this->_frame->get_style()->height . ';' . $this->_frame->get_parent()->get_style()->width . " " . $this->_frame->get_parent()->get_style()->height . ";" . $this->_frame->get_parent()->get_parent()->get_style()->width . ' ' . $this->_frame->get_parent()->get_parent()->get_style()->height . ';' . $img_width . ' ' . $img_height . '|'; } $style = $this->_frame->get_style(); //own style auto or invalid value: use natural size in px //own style value: ignore suffix text including unit, use given number as px //own style %: walk up parent chain until found available space in pt; fill available space // //special ignored unit: e.g. 10ex: e treated as exponent; x ignored; 10e completely invalid ->like auto $width = $style->width > 0 ? $style->width : 0; if (is_percent($width)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $t = (double) $f->get_style()->width; //always in pt if ((double) $t != 0) { break; } } $width = (double) rtrim($width, "%") * $t / 100; //maybe 0 } elseif (!mb_strpos($width, 'pt')) { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct $width = (double) ($width * 72) / DOMPDF_DPI; } $height = $style->height > 0 ? $style->height : 0; if (is_percent($height)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $t = (double) $f->get_style()->height; //always in pt if ((double) $t != 0) { break; } } $height = (double) rtrim($height, "%") * $t / 100; //maybe 0 } elseif (!mb_strpos($height, 'pt')) { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct $height = (double) ($height * 72) / DOMPDF_DPI; } if ($width == 0 || $height == 0) { // Determine the image's size. Time consuming. Only when really needed! list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url()); // don't treat 0 as error. Can be downscaled or can be catched elsewhere if image not readable. // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct if ($width == 0 && $height == 0) { $width = (double) ($img_width * 72) / DOMPDF_DPI; $height = (double) ($img_height * 72) / DOMPDF_DPI; } elseif ($height == 0 && $width != 0) { $height = $width / $img_width * $img_height; //keep aspect ratio } elseif ($width == 0 && $height != 0) { $width = $height / $img_height * $img_width; //keep aspect ratio } } if (DEBUGPNG) { print $width . ' ' . $height . ';'; } $style->width = $width . "pt"; $style->height = $height . "pt"; return array($width, $width, "min" => $width, "max" => $width); }
/** * Render a background image over a rectangular area * * @param string $url The background image to load * @param float $x The left edge of the rectangular area * @param float $y The top edge of the rectangular area * @param float $width The width of the rectangular area * @param float $height The height of the rectangular area * @param Style $style The associated Style object * * @throws Exception */ protected function _background_image($url, $x, $y, $width, $height, $style) { if (!function_exists("imagecreatetruecolor")) { throw new Exception("The PHP GD extension is required, but is not installed."); } $sheet = $style->get_stylesheet(); // Skip degenerate cases if ($width == 0 || $height == 0) { return; } $box_width = $width; $box_height = $height; //debugpng if (DEBUGPNG) { print '[_background_image ' . $url . ']'; } list($img, $type, ) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path(), $this->_dompdf); // Bail if the image is no good if (Image_Cache::is_broken($img)) { return; } //Try to optimize away reading and composing of same background multiple times //Postponing read with imagecreatefrom ...() //final composition parameters and name not known yet //Therefore read dimension directly from file, instead of creating gd object first. //$img_w = imagesx($src); $img_h = imagesy($src); list($img_w, $img_h) = dompdf_getimagesize($img); if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) { return; } $repeat = $style->background_repeat; $dpi = $this->_dompdf->get_option("dpi"); //Increase background resolution and dependent box size according to image resolution to be placed in //Then image can be copied in without resize $bg_width = round((double) ($width * $dpi) / 72); $bg_height = round((double) ($height * $dpi) / 72); //Need %bg_x, $bg_y as background pos, where img starts, converted to pixel list($bg_x, $bg_y) = $style->background_position; if (is_percent($bg_x)) { // The point $bg_x % from the left edge of the image is placed // $bg_x % from the left edge of the background rectangle $p = (double) $bg_x / 100.0; $x1 = $p * $img_w; $x2 = $p * $bg_width; $bg_x = $x2 - $x1; } else { $bg_x = (double) ($style->length_in_pt($bg_x) * $dpi) / 72; } $bg_x = round($bg_x + $style->length_in_pt($style->border_left_width) * $dpi / 72); if (is_percent($bg_y)) { // The point $bg_y % from the left edge of the image is placed // $bg_y % from the left edge of the background rectangle $p = (double) $bg_y / 100.0; $y1 = $p * $img_h; $y2 = $p * $bg_height; $bg_y = $y2 - $y1; } else { $bg_y = (double) ($style->length_in_pt($bg_y) * $dpi) / 72; } $bg_y = round($bg_y + $style->length_in_pt($style->border_top_width) * $dpi / 72); //clip background to the image area on partial repeat. Nothing to do if img off area //On repeat, normalize start position to the tile at immediate left/top or 0/0 of area //On no repeat with positive offset: move size/start to have offset==0 //Handle x/y Dimensions separately if ($repeat !== "repeat" && $repeat !== "repeat-x") { //No repeat x if ($bg_x < 0) { $bg_width = $img_w + $bg_x; } else { $x += $bg_x * 72 / $dpi; $bg_width = $bg_width - $bg_x; if ($bg_width > $img_w) { $bg_width = $img_w; } $bg_x = 0; } if ($bg_width <= 0) { return; } $width = (double) ($bg_width * 72) / $dpi; } else { //repeat x if ($bg_x < 0) { $bg_x = -(-$bg_x % $img_w); } else { $bg_x = $bg_x % $img_w; if ($bg_x > 0) { $bg_x -= $img_w; } } } if ($repeat !== "repeat" && $repeat !== "repeat-y") { //no repeat y if ($bg_y < 0) { $bg_height = $img_h + $bg_y; } else { $y += $bg_y * 72 / $dpi; $bg_height = $bg_height - $bg_y; if ($bg_height > $img_h) { $bg_height = $img_h; } $bg_y = 0; } if ($bg_height <= 0) { return; } $height = (double) ($bg_height * 72) / $dpi; } else { //repeat y if ($bg_y < 0) { $bg_y = -(-$bg_y % $img_h); } else { $bg_y = $bg_y % $img_h; if ($bg_y > 0) { $bg_y -= $img_h; } } } //Optimization, if repeat has no effect if ($repeat === "repeat" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) { $repeat = "repeat-x"; } if ($repeat === "repeat" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) { $repeat = "repeat-y"; } if ($repeat === "repeat-x" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width || $repeat === "repeat-y" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) { $repeat = "no-repeat"; } //Use filename as indicator only //different names for different variants to have different copies in the pdf //This is not dependent of background color of box! .'_'.(is_array($bg_color) ? $bg_color["hex"] : $bg_color) //Note: Here, bg_* are the start values, not end values after going through the tile loops! $filedummy = $img; $is_png = false; $filedummy .= '_' . $bg_width . '_' . $bg_height . '_' . $bg_x . '_' . $bg_y . '_' . $repeat; //Optimization to avoid multiple times rendering the same image. //If check functions are existing and identical image already cached, //then skip creation of duplicate, because it is not needed by addImagePng if ($this->_canvas instanceof CPDF_Adapter && $this->_canvas->get_cpdf()->image_iscached($filedummy)) { $bg = null; } else { // Create a new image to fit over the background rectangle $bg = imagecreatetruecolor($bg_width, $bg_height); switch (strtolower($type)) { case IMAGETYPE_PNG: $is_png = true; imagesavealpha($bg, true); imagealphablending($bg, false); $src = imagecreatefrompng($img); break; case IMAGETYPE_JPEG: $src = imagecreatefromjpeg($img); break; case IMAGETYPE_GIF: $src = imagecreatefromgif($img); break; case IMAGETYPE_BMP: $src = imagecreatefrombmp($img); break; default: return; // Unsupported image type } if ($src == null) { return; } //Background color if box is not relevant here //Non transparent image: box clipped to real size. Background non relevant. //Transparent image: The image controls the transparency and lets shine through whatever background. //However on transparent image preset the composed image with the transparency color, //to keep the transparency when copying over the non transparent parts of the tiles. $ti = imagecolortransparent($src); if ($ti >= 0) { $tc = imagecolorsforindex($src, $ti); $ti = imagecolorallocate($bg, $tc['red'], $tc['green'], $tc['blue']); imagefill($bg, 0, 0, $ti); imagecolortransparent($bg, $ti); } //This has only an effect for the non repeatable dimension. //compute start of src and dest coordinates of the single copy if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; } else { $src_x = 0; $dst_x = $bg_x; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; } else { $src_y = 0; $dst_y = $bg_y; } //For historical reasons exchange meanings of variables: //start_* will be the start values, while bg_* will be the temporary start values in the loops $start_x = $bg_x; $start_y = $bg_y; // Copy regions from the source image to the background if ($repeat === "no-repeat") { // Simply place the image on the background imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h); } else { if ($repeat === "repeat-x") { for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h); } } else { if ($repeat === "repeat-y") { for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h); } } else { if ($repeat === "repeat") { for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h); } } } else { print 'Unknown repeat!'; } } } } imagedestroy($src); } /* End optimize away creation of duplicates */ $this->_canvas->clipping_rectangle($x, $y, $box_width, $box_height); //img: image url string //img_w, img_h: original image size in px //width, height: box size in pt //bg_width, bg_height: box size in px //x, y: left/top edge of box on page in pt //start_x, start_y: placement of image relative to pattern //$repeat: repeat mode //$bg: GD object of result image //$src: GD object of original image //When using cpdf and optimization to direct png creation from gd object is available, //don't create temp file, but place gd object directly into the pdf if (!$is_png && $this->_canvas instanceof CPDF_Adapter) { // Note: CPDF_Adapter image converts y position $this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg); } else { $tmp_dir = $this->_dompdf->get_option("temp_dir"); $tmp_name = tempnam($tmp_dir, "bg_dompdf_img_"); @unlink($tmp_name); $tmp_file = "{$tmp_name}.png"; //debugpng if (DEBUGPNG) { print '[_background_image ' . $tmp_file . ']'; } imagepng($bg, $tmp_file); $this->_canvas->image($tmp_file, $x, $y, $width, $height); imagedestroy($bg); //debugpng if (DEBUGPNG) { print '[_background_image unlink ' . $tmp_file . ']'; } if (!DEBUGKEEPTEMP) { unlink($tmp_file); } } $this->_canvas->clipping_end(); }
function add_frame(Frame $frame) { $style = $frame->get_style(); $display = $style->display; $collapse = $this->_table->get_style()->border_collapse == "collapse"; // Recursively add the frames within tables, table-row-groups and table-rows if ($display == "table-row" || $display == "table" || $display == "inline-table" || in_array($display, Table_Frame_Decorator::$ROW_GROUPS)) { $start_row = $this->__row; foreach ($frame->get_children() as $child) { $this->add_frame($child); } if ($display == "table-row") { $this->add_row(); } $num_rows = $this->__row - $start_row - 1; $key = $frame->get_id(); // Row groups always span across the entire table $this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1)); $this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1)); $this->_frames[$key]["frame"] = $frame; if ($display != "table-row" && $collapse) { $bp = $style->get_border_properties(); // Resolve the borders for ($i = 0; $i < $num_rows + 1; $i++) { $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]); $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]); } for ($j = 0; $j < $this->_num_cols; $j++) { $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]); $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]); } } return; } // Determine where this cell is going $colspan = $frame->get_node()->getAttribute("colspan"); $rowspan = $frame->get_node()->getAttribute("rowspan"); if (!$colspan) { $colspan = 1; $frame->get_node()->setAttribute("colspan", 1); } if (!$rowspan) { $rowspan = 1; $frame->get_node()->setAttribute("rowspan", 1); } $key = $frame->get_id(); $bp = $style->get_border_properties(); // Add the frame to the cellmap $max_left = $max_right = 0; // Find the next available column (fix by Ciro Mondueri) $ac = $this->__col; while (isset($this->_cells[$this->__row][$ac])) { $ac++; } $this->__col = $ac; // Rows: for ($i = 0; $i < $rowspan; $i++) { $row = $this->__row + $i; $this->_frames[$key]["rows"][] = $row; for ($j = 0; $j < $colspan; $j++) { $this->_cells[$row][$this->__col + $j] = $frame; } if ($collapse) { // Resolve vertical borders $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"])); $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"])); } } $max_top = $max_bottom = 0; // Columns: for ($j = 0; $j < $colspan; $j++) { $col = $this->__col + $j; $this->_frames[$key]["columns"][] = $col; if ($collapse) { // Resolve horizontal borders $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"])); $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"])); } } $this->_frames[$key]["frame"] = $frame; // Handle seperated border model if (!$collapse) { list($h, $v) = $this->_table->get_style()->border_spacing; // Border spacing is effectively a margin between cells $v = $style->length_in_pt($v) / 2; $h = $style->length_in_pt($h) / 2; $style->margin = "{$v} {$h}"; // The additional 1/2 width gets added to the table proper } else { // Drop the frame's actual border $style->border_left_width = $max_left / 2; $style->border_right_width = $max_right / 2; $style->border_top_width = $max_top / 2; $style->border_bottom_width = $max_bottom / 2; $style->margin = "none"; } // Resolve the frame's width list($frame_min, $frame_max) = $frame->get_min_max_width(); $width = $style->width; if (is_percent($width)) { $var = "percent"; $val = (double) rtrim($width, "% ") / $colspan; } else { if ($width !== "auto") { $var = "absolute"; $val = $style->length_in_pt($frame_min) / $colspan; } } $min = 0; $max = 0; for ($cs = 0; $cs < $colspan; $cs++) { // Resolve the frame's width(s) with other cells $col =& $this->get_column($this->__col + $cs); // Note: $var is either 'percent' or 'absolute'. We compare the // requested percentage or absolute values with the existing widths // and adjust accordingly. if (isset($var) && $val > $col[$var]) { $col[$var] = $val; $col["auto"] = false; } $min += $col["min-width"]; $max += $col["max-width"]; } if ($frame_min > $min) { // The frame needs more space. Expand each sub-column $inc = ($frame_min - $min) / $colspan; for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["min-width"] += $inc; } } if ($frame_max > $max) { $inc = ($frame_max - $max) / $colspan; for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["max-width"] += $inc; } } $this->__col += $colspan; if ($this->__col > $this->_num_cols) { $this->_num_cols = $this->__col; } }
protected function _background_image($url, $x, $y, $width, $height, $style) { $sheet = $style->get_stylesheet(); if ($width == 0 || $height == 0) { return; } $box_width = $width; $box_height = $height; if (DEBUGPNG) { print '[_background_image ' . $url . ']'; } list($img, $type, $msg) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path()); if (Image_Cache::is_broken($img)) { return; } list($img_w, $img_h) = dompdf_getimagesize($img); if (!isset($img_w) || $img_w == 0 || !isset($img_h) || $img_h == 0) { return; } $repeat = $style->background_repeat; $bg_color = $style->background_color; $bg_width = round((double) ($width * DOMPDF_DPI) / 72); $bg_height = round((double) ($height * DOMPDF_DPI) / 72); list($bg_x, $bg_y) = $style->background_position; if (is_percent($bg_x)) { $p = (double) $bg_x / 100.0; $x1 = $p * $img_w; $x2 = $p * $bg_width; $bg_x = $x2 - $x1; } else { $bg_x = (double) ($style->length_in_pt($bg_x) * DOMPDF_DPI) / 72; } $bg_x = round($bg_x + $style->length_in_pt($style->border_left_width) * DOMPDF_DPI / 72); if (is_percent($bg_y)) { $p = (double) $bg_y / 100.0; $y1 = $p * $img_h; $y2 = $p * $bg_height; $bg_y = $y2 - $y1; } else { $bg_y = (double) ($style->length_in_pt($bg_y) * DOMPDF_DPI) / 72; } $bg_y = round($bg_y + $style->length_in_pt($style->border_top_width) * DOMPDF_DPI / 72); if ($repeat !== "repeat" && $repeat !== "repeat-x") { if ($bg_x < 0) { $bg_width = $img_w + $bg_x; } else { $x += $bg_x * 72 / DOMPDF_DPI; $bg_width = $bg_width - $bg_x; if ($bg_width > $img_w) { $bg_width = $img_w; } $bg_x = 0; } if ($bg_width <= 0) { return; } $width = (double) ($bg_width * 72) / DOMPDF_DPI; } else { if ($bg_x < 0) { $bg_x = -(-$bg_x % $img_w); } else { $bg_x = $bg_x % $img_w; if ($bg_x > 0) { $bg_x -= $img_w; } } } if ($repeat !== "repeat" && $repeat !== "repeat-y") { if ($bg_y < 0) { $bg_height = $img_h + $bg_y; } else { $y += $bg_y * 72 / DOMPDF_DPI; $bg_height = $bg_height - $bg_y; if ($bg_height > $img_h) { $bg_height = $img_h; } $bg_y = 0; } if ($bg_height <= 0) { return; } $height = (double) ($bg_height * 72) / DOMPDF_DPI; } else { if ($bg_y < 0) { $bg_y = -(-$bg_y % $img_h); } else { $bg_y = $bg_y % $img_h; if ($bg_y > 0) { $bg_y -= $img_h; } } } if ($repeat === "repeat" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) { $repeat = "repeat-x"; } if ($repeat === "repeat" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width) { $repeat = "repeat-y"; } if ($repeat === "repeat-x" && $bg_x <= 0 && $img_w + $bg_x >= $bg_width || $repeat === "repeat-y" && $bg_y <= 0 && $img_h + $bg_y >= $bg_height) { $repeat = "no-repeat"; } $filedummy = $img; $is_png = false; $filedummy .= '_' . $bg_width . '_' . $bg_height . '_' . $bg_x . '_' . $bg_y . '_' . $repeat; if (method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng") && method_exists($this->_canvas->get_cpdf(), "image_iscached") && $this->_canvas->get_cpdf()->image_iscached($filedummy)) { $bg = null; } else { $bg = imagecreatetruecolor($bg_width, $bg_height); switch (strtolower($type)) { case IMAGETYPE_PNG: $is_png = true; imagesavealpha($bg, true); imagealphablending($bg, false); $src = imagecreatefrompng($img); break; case IMAGETYPE_JPEG: $src = imagecreatefromjpeg($img); break; case IMAGETYPE_GIF: $src = imagecreatefromgif($img); break; case IMAGETYPE_BMP: $src = imagecreatefrombmp($img); break; default: return; } if ($src == null) { return; } $ti = imagecolortransparent($src); if ($ti >= 0) { $tc = imagecolorsforindex($src, $ti); $ti = imagecolorallocate($bg, $tc['red'], $tc['green'], $tc['blue']); imagefill($bg, 0, 0, $ti); imagecolortransparent($bg, $ti); } if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; } else { $src_x = 0; $dst_x = $bg_x; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; } else { $src_y = 0; $dst_y = $bg_y; } $start_x = $bg_x; $start_y = $bg_y; if ($repeat === "no-repeat") { imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h); } else { if ($repeat === "repeat-x") { for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h); } } else { if ($repeat === "repeat-y") { for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h); } } else { if ($repeat === "repeat") { for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h); } } } else { print 'Unknown repeat!'; } } } } imagedestroy($src); } $this->_canvas->clipping_rectangle($x, $y, $box_width, $box_height); if (!$is_png && method_exists($this->_canvas, "get_cpdf") && method_exists($this->_canvas->get_cpdf(), "addImagePng")) { $this->_canvas->get_cpdf()->addImagePng($filedummy, $x, $this->_canvas->get_height() - $y - $height, $width, $height, $bg); } else { $tmp_name = tempnam(DOMPDF_TEMP_DIR, "bg_dompdf_img_"); @unlink($tmp_name); $tmp_file = "{$tmp_name}.png"; if (DEBUGPNG) { print '[_background_image ' . $tmp_file . ']'; } imagepng($bg, $tmp_file); $this->_canvas->image($tmp_file, $x, $y, $width, $height); imagedestroy($bg); if (DEBUGPNG) { print '[_background_image unlink ' . $tmp_file . ']'; } if (!DEBUGKEEPTEMP) { unlink($tmp_file); } } $this->_canvas->clipping_end(); }
/** * Render a background image over a rectangular area * * @param string $img The background image to load * @param float $x The left edge of the rectangular area * @param float $y The top edge of the rectangular area * @param float $width The width of the rectangular area * @param float $height The height of the rectangular area * @param Style $style The associated Style object */ protected function _background_image($url, $x, $y, $width, $height, $style) { $sheet = $style->get_stylesheet(); // Skip degenerate cases if ($width == 0 || $height == 0) { return; } list($img, $ext) = Image_Cache::resolve_url($url, $sheet->get_protocol(), $sheet->get_host(), $sheet->get_base_path()); list($bg_x, $bg_y) = $style->background_position; $repeat = $style->background_repeat; if (!is_percent($bg_x)) { $bg_x = $style->length_in_pt($bg_x); } if (!is_percent($bg_y)) { $bg_y = $style->length_in_pt($bg_y); } $repeat = $style->background_repeat; $position = $style->background_position; $bg_color = $style->background_color; // Bail if the image is no good if ($img == DOMPDF_LIB_DIR . "/res/broken_image.png") { return; } $ext = strtolower($ext); list($img_w, $img_h) = getimagesize($img); $bg_width = round($width * DOMPDF_DPI / 72); $bg_height = round($height * DOMPDF_DPI / 72); // Create a new image to fit over the background rectangle $bg = imagecreatetruecolor($bg_width, $bg_height); if ($bg_color == "transparent") { $bg_color = array(1, 1, 1); } list($r, $g, $b) = $bg_color; $r *= 255; $g *= 255; $b *= 255; // Clip values $r = $r > 255 ? 255 : $r; $g = $g > 255 ? 255 : $g; $b = $b > 255 ? 255 : $b; $r = $r < 0 ? 0 : $r; $g = $g < 0 ? 0 : $g; $b = $b < 0 ? 0 : $b; $clear = imagecolorallocate($bg, round($r), round($g), round($b)); imagecolortransparent($bg, $clear); imagefill($bg, 1, 1, $clear); switch ($ext) { case "png": $src = imagecreatefrompng($img); break; case "jpg": case "jpeg": $src = imagecreatefromjpeg($img); break; case "gif": $src = imagecreatefromgif($img); break; default: return; // Unsupported image type } if (is_percent($bg_x)) { // The point $bg_x % from the left edge of the image is placed // $bg_x % from the left edge of the background rectangle $p = (double) $bg_x / 100.0; $x1 = $p * $img_w; $x2 = $p * $bg_width; $bg_x = $x2 - $x1; } if (is_percent($bg_y)) { // The point $bg_y % from the left edge of the image is placed // $bg_y % from the left edge of the background rectangle $p = (double) $bg_y / 100.0; $y1 = $p * $img_h; $y2 = $p * $bg_height; $bg_y = $y2 - $y1; } // Copy regions from the source image to the background if ($repeat == "no-repeat" || $repeat == "repeat-x" && $img_w >= $bg_width || $repeat == "repeat-y" && $img_h >= $bg_height || $repeat == "repeat" && $img_w >= $bg_width && $img_h >= $bg_height) { // Simply place the image on the background $src_x = 0; $src_y = 0; $dst_x = $bg_x; $dst_y = $bg_y; if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; } $bg_x = round($bg_x * DOMPDF_DPI / 72); $bg_y = round($bg_y * DOMPDF_DPI / 72); imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $img_h); } else { if ($repeat == "repeat-x") { $src_x = 0; $src_y = 0; $dst_y = $bg_y; if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; } if ($bg_x < 0) { $start_x = $bg_x; } else { $start_x = $bg_x % $img_w - $img_w; } for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $img_h); } } else { if ($repeat == "repeat-y") { $src_x = 0; $src_y = 0; $dst_x = $bg_x; if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; } if ($bg_y < 0) { $start_y = $bg_y; } else { $start_y = $bg_y % $img_h - $img_h; } for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $img_w, $h); } } else { if ($bg_x < 0) { $start_x = $bg_x; } else { $start_x = $bg_x % $img_w - $img_w; } if ($bg_y < 0) { $start_y = $bg_y; } else { $start_y = $bg_y % $img_h - $img_h; } for ($bg_y = $start_y; $bg_y < $bg_height; $bg_y += $img_h) { for ($bg_x = $start_x; $bg_x < $bg_width; $bg_x += $img_w) { if ($bg_x < 0) { $dst_x = 0; $src_x = -$bg_x; $w = $img_w + $bg_x; } else { $dst_x = $bg_x; $src_x = 0; $w = $img_w; } if ($bg_y < 0) { $dst_y = 0; $src_y = -$bg_y; $h = $img_h + $bg_y; } else { $dst_y = $bg_y; $src_y = 0; $h = $img_h; } imagecopy($bg, $src, $dst_x, $dst_y, $src_x, $src_y, $w, $h); } } } } } $tmp_file = tempnam(DOMPDF_TEMP_DIR, "dompdf_img_"); imagepng($bg, $tmp_file); $this->_canvas->image($tmp_file, "png", $x, $y, $width, $height); unlink($tmp_file); }
function get_min_max_width() { if (!is_null($this->_min_max_cache)) { return $this->_min_max_cache; } $style = $this->_frame->get_style(); $dims = array($style->padding_left, $style->padding_right, $style->border_left_width, $style->border_right_width, $style->margin_left, $style->margin_right); $cb_w = $this->_frame->get_containing_block("w"); $delta = $style->length_in_pt($dims, $cb_w); if (!$this->_frame->get_first_child()) { return $this->_min_max_cache = array($delta, $delta, "min" => $delta, "max" => $delta); } $low = array(); $high = array(); for ($iter = $this->_frame->get_children()->getIterator(); $iter->valid(); $iter->next()) { $inline_min = 0; $inline_max = 0; while ($iter->valid() && in_array($iter->current()->get_style()->display, Style::$INLINE_TYPES)) { $child = $iter->current(); $minmax = $child->get_min_max_width(); if (in_array($iter->current()->get_style()->white_space, array("pre", "nowrap"))) { $inline_min += $minmax["min"]; } else { $low[] = $minmax["min"]; } $inline_max += $minmax["max"]; $iter->next(); } if ($inline_max > 0) { $high[] = $inline_max; } if ($inline_min > 0) { $low[] = $inline_min; } if ($iter->valid()) { list($low[], $high[]) = $iter->current()->get_min_max_width(); continue; } } $min = count($low) ? max($low) : 0; $max = count($high) ? max($high) : 0; $width = $style->width; if ($width !== "auto" && !is_percent($width)) { $width = $style->length_in_pt($width, $cb_w); if ($min < $width) { $min = $width; } if ($max < $width) { $max = $width; } } $min += $delta; $max += $delta; return $this->_min_max_cache = array($min, $max, "min" => $min, "max" => $max); }
function get_min_max_width() { if (DEBUGPNG) { // Determine the image's size. Time consuming. Only when really needed? list($img_width, $img_height) = getimagesize($this->_frame->get_image_url()); print "get_min_max_width() " . $this->_frame->get_style()->width . ' ' . $this->_frame->get_style()->height . ';' . $this->_frame->get_parent()->get_style()->width . " " . $this->_frame->get_parent()->get_style()->height . ";" . $this->_frame->get_parent()->get_parent()->get_style()->width . ' ' . $this->_frame->get_parent()->get_parent()->get_style()->height . ';' . $img_width . ' ' . $img_height . '|'; } // We need to grab our *parent's* style because images are wrapped... $style = $this->_frame->get_parent()->get_style(); //own style auto or invalid value: use natural size in px //own style value: ignore suffix text including unit, use given number as px //own style %: walk up parent chain until found available space in pt; fill available space // //special ignored unit: e.g. 10ex: e treated as exponent; x ignored; 10e completely invalid ->like auto $width = $this->_frame->get_style()->width; if (is_percent($width)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $t = (double) $f->get_style()->width; //always in pt if ((double) $t != 0) { break; } } $width = (double) rtrim($width, "%") * $t / 100; //maybe 0 } else { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct $width = (double) ($width * 72) / DOMPDF_DPI; } $height = $this->_frame->get_style()->height; if (is_percent($height)) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $t = (double) $f->get_style()->height; //always in pt if ((double) $t != 0) { break; } } $height = (double) rtrim($height, "%") * $t / 100; //maybe 0 } else { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct $height = (double) ($height * 72) / DOMPDF_DPI; } if ($width == 0 && $height == 0) { // Determine the image's size. Time consuming. Only when really needed! list($img_width, $img_height) = getimagesize($this->_frame->get_image_url()); // don't treat 0 as error. Can be downscaled or can be catched elsewhere if image not readable. // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct $width = (double) ($img_width * 72) / DOMPDF_DPI; $height = (double) ($img_height * 72) / DOMPDF_DPI; } else { if ($height == 0) { list($img_width, $img_height) = getimagesize($this->_frame->get_image_url()); //On error don't divide by 0 if ($img_width == 0) { throw new DOMPDF_Exception('Image width not detected: ' . $this->_frame->get_image_url()); } $height = $width / $img_width * $img_height; //keep aspect ratio } else { if ($width == 0) { list($img_width, $img_height) = getimagesize($this->_frame->get_image_url()); if ($img_height == 0) { throw new DOMPDF_Exception('Image height not detected: ' . $this->_frame->get_image_url()); } $width = $height / $img_height * $img_width; //keep aspect ratio } } } if (DEBUGPNG) { print $width . ' ' . $height . ';'; } // Synchronize the styles $inner_style = $this->_frame->get_style(); $inner_style->width = $style->width = $width . "pt"; $inner_style->height = $style->height = $height . "pt"; $inner_style->padding_top = $style->padding_top; $inner_style->padding_right = $style->padding_right; $inner_style->padding_bottom = $style->padding_bottom; $inner_style->padding_left = $style->padding_left; $inner_style->border_top_width = $style->border_top_width; $inner_style->border_right_width = $style->border_right_width; $inner_style->border_bottom_width = $style->border_bottom_width; $inner_style->border_left_width = $style->border_left_width; $inner_style->border_top_style = $style->border_top_style; $inner_style->border_right_style = $style->border_right_style; $inner_style->border_bottom_style = $style->border_bottom_style; $inner_style->border_left_style = $style->border_left_style; $inner_style->margin_top = $style->margin_top; $inner_style->margin_right = $style->margin_right; $inner_style->margin_bottom = $style->margin_bottom; $inner_style->margin_left = $style->margin_left; return array($width, $width, "min" => $width, "max" => $width); }
function add_frame(Frame $frame) { $style = $frame->get_style(); $display = $style->display; $collapse = $this->_table->get_style()->border_collapse == "collapse"; if ($display === "table-row" || $display === "table" || $display === "inline-table" || in_array($display, Table_Frame_Decorator::$ROW_GROUPS)) { $start_row = $this->__row; foreach ($frame->get_children() as $child) { $this->add_frame($child); } if ($display === "table-row") { $this->add_row(); } $num_rows = $this->__row - $start_row - 1; $key = $frame->get_id(); $this->_frames[$key]["columns"] = range(0, max(0, $this->_num_cols - 1)); $this->_frames[$key]["rows"] = range($start_row, max(0, $this->__row - 1)); $this->_frames[$key]["frame"] = $frame; if ($display !== "table-row" && $collapse) { $bp = $style->get_border_properties(); for ($i = 0; $i < $num_rows + 1; $i++) { $this->_resolve_border($start_row + $i, 0, "vertical", $bp["left"]); $this->_resolve_border($start_row + $i, $this->_num_cols, "vertical", $bp["right"]); } for ($j = 0; $j < $this->_num_cols; $j++) { $this->_resolve_border($start_row, $j, "horizontal", $bp["top"]); $this->_resolve_border($this->__row, $j, "horizontal", $bp["bottom"]); } } return; } $node = $frame->get_node(); $colspan = $node->getAttribute("colspan"); $rowspan = $node->getAttribute("rowspan"); if (!$colspan) { $colspan = 1; $node->setAttribute("colspan", 1); } if (!$rowspan) { $rowspan = 1; $node->setAttribute("rowspan", 1); } $key = $frame->get_id(); $bp = $style->get_border_properties(); $max_left = $max_right = 0; $ac = $this->__col; while (isset($this->_cells[$this->__row][$ac])) { $ac++; } $this->__col = $ac; for ($i = 0; $i < $rowspan; $i++) { $row = $this->__row + $i; $this->_frames[$key]["rows"][] = $row; for ($j = 0; $j < $colspan; $j++) { $this->_cells[$row][$this->__col + $j] = $frame; } if ($collapse) { $max_left = max($max_left, $this->_resolve_border($row, $this->__col, "vertical", $bp["left"])); $max_right = max($max_right, $this->_resolve_border($row, $this->__col + $colspan, "vertical", $bp["right"])); } } $max_top = $max_bottom = 0; for ($j = 0; $j < $colspan; $j++) { $col = $this->__col + $j; $this->_frames[$key]["columns"][] = $col; if ($collapse) { $max_top = max($max_top, $this->_resolve_border($this->__row, $col, "horizontal", $bp["top"])); $max_bottom = max($max_bottom, $this->_resolve_border($this->__row + $rowspan, $col, "horizontal", $bp["bottom"])); } } $this->_frames[$key]["frame"] = $frame; if (!$collapse) { list($h, $v) = $this->_table->get_style()->border_spacing; $v = $style->length_in_pt($v) / 2; $h = $style->length_in_pt($h) / 2; $style->margin = "{$v} {$h}"; } else { $style->border_left_width = $max_left / 2; $style->border_right_width = $max_right / 2; $style->border_top_width = $max_top / 2; $style->border_bottom_width = $max_bottom / 2; $style->margin = "none"; } list($frame_min, $frame_max) = $frame->get_min_max_width(); $width = $style->width; if (is_percent($width)) { $var = "percent"; $val = (double) rtrim($width, "% ") / $colspan; } else { if ($width !== "auto") { $var = "absolute"; $val = $style->length_in_pt($frame_min) / $colspan; } } if (!$this->_columns_locked) { $min = 0; $max = 0; for ($cs = 0; $cs < $colspan; $cs++) { $col =& $this->get_column($this->__col + $cs); if (isset($var) && $val > $col[$var]) { $col[$var] = $val; $col["auto"] = false; } $min += $col["min-width"]; $max += $col["max-width"]; } if ($frame_min > $min) { $inc = ($frame_min - $min) / $colspan; for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["min-width"] += $inc; } } if ($frame_max > $max) { $inc = ($frame_max - $max) / $colspan; for ($c = 0; $c < $colspan; $c++) { $col =& $this->get_column($this->__col + $c); $col["max-width"] += $inc; } } } $this->__col += $colspan; if ($this->__col > $this->_num_cols) { $this->_num_cols = $this->__col; } }
function get_min_max_width() { if (DEBUGPNG) { // Determine the image's size. Time consuming. Only when really needed? list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url()); print "get_min_max_width() ". $this->_frame->get_style()->width.' '. $this->_frame->get_style()->height.';'. $this->_frame->get_parent()->get_style()->width." ". $this->_frame->get_parent()->get_style()->height.";". $this->_frame->get_parent()->get_parent()->get_style()->width.' '. $this->_frame->get_parent()->get_parent()->get_style()->height.';'. $img_width. ' '. $img_height.'|' ; } $style = $this->_frame->get_style(); $width_forced = true; $height_forced = true; //own style auto or invalid value: use natural size in px //own style value: ignore suffix text including unit, use given number as px //own style %: walk up parent chain until found available space in pt; fill available space // //special ignored unit: e.g. 10ex: e treated as exponent; x ignored; 10e completely invalid ->like auto $width = ($style->width > 0 ? $style->width : 0); if ( is_percent($width) ) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $f_style = $f->get_style(); $t = $f_style->length_in_pt($f_style->width); if ($t != 0) { break; } } $width = ((float)rtrim($width,"%") * $t)/100; //maybe 0 } elseif ( !mb_strpos($width, 'pt') ) { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct $width = $style->length_in_pt($width); } $height = ($style->height > 0 ? $style->height : 0); if ( is_percent($height) ) { $t = 0.0; for ($f = $this->_frame->get_parent(); $f; $f = $f->get_parent()) { $f_style = $f->get_style(); $t = $f_style->length_in_pt($f_style->height); if ($t != 0) { break; } } $height = ((float)rtrim($height,"%") * $t)/100; //maybe 0 } elseif ( !mb_strpos($height, 'pt') ) { // Don't set image original size if "%" branch was 0 or size not given. // Otherwise aspect changed on %/auto combination for width/height // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct $height = $style->length_in_pt($height); } if ($width == 0 || $height == 0) { // Determine the image's size. Time consuming. Only when really needed! list($img_width, $img_height) = dompdf_getimagesize($this->_frame->get_image_url()); // don't treat 0 as error. Can be downscaled or can be catched elsewhere if image not readable. // Resample according to px per inch // See also List_Bullet_Image_Frame_Decorator::__construct if ($width == 0 && $height == 0) { $dpi = $this->_frame->get_dompdf()->get_option("dpi"); $width = (float)($img_width * 72) / $dpi; $height = (float)($img_height * 72) / $dpi; $width_forced = false; $height_forced = false; } elseif ($height == 0 && $width != 0) { $height_forced = false; $height = ($width / $img_width) * $img_height; //keep aspect ratio } elseif ($width == 0 && $height != 0) { $width_forced = false; $width = ($height / $img_height) * $img_width; //keep aspect ratio } } // Handle min/max width/height if ( $style->min_width !== "none" || $style->max_width !== "none" || $style->min_height !== "none" || $style->max_height !== "none" ) { list(/*$x*/, /*$y*/, $w, $h) = $this->_frame->get_containing_block(); $min_width = $style->length_in_pt($style->min_width, $w); $max_width = $style->length_in_pt($style->max_width, $w); $min_height = $style->length_in_pt($style->min_height, $h); $max_height = $style->length_in_pt($style->max_height, $h); if ( $max_width !== "none" && $width > $max_width ) { if ( !$height_forced ) { $height *= $max_width / $width; } $width = $max_width; } if ( $min_width !== "none" && $width < $min_width ) { if ( !$height_forced ) { $height *= $min_width / $width; } $width = $min_width; } if ( $max_height !== "none" && $height > $max_height ) { if ( !$width_forced ) { $width *= $max_height / $height; } $height = $max_height; } if ( $min_height !== "none" && $height < $min_height ) { if ( !$width_forced ) { $width *= $min_height / $height; } $height = $min_height; } } if (DEBUGPNG) print $width.' '.$height.';'; $style->width = $width . "pt"; $style->height = $height . "pt"; $style->min_width = "none"; $style->max_width = "none"; $style->min_height = "none"; $style->max_height = "none"; return array( $width, $width, "min" => $width, "max" => $width); }